<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="商品ID" prop="productId">
        <el-input
          v-model="queryParams.productId"
          placeholder="请输入商品ID"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="商品名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入商品名称"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
       <el-form-item label="商品分类" prop="categoryId">
        <el-select
          v-model="queryParams.categoryId"
          placeholder="请选择商品分类"
          clearable
          @change="handleQuery"
        >
          <el-option
            v-for="item in categoryList"
            :key="item.categoryId"
            :label="item.name"
            :value="item.categoryId"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="商品状态" prop="status">
        <el-select
          v-model="queryParams.status"
          placeholder="请选择商品状态"
          clearable
          @change="handleQuery"
        >
          <el-option
            v-for="dict in product_status"
            :key="dict.value"
            :label="dict.label"
            :value="parseInt(dict.value)"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="Plus"
          @click="handleAdd"
          v-hasPermi="['manage:product:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="Edit"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['manage:product:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="Delete"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['manage:product:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="Download"
          @click="handleExport"
          v-hasPermi="['manage:product:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="productList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="商品ID" align="center" prop="productId"  type="index"  width="80"/>
      <el-table-column label="商品名称" align="center" prop="name" />
      <el-table-column label="商品图片" align="center" prop="imageUrl" width="100">
        <template #default="scope">
          <image-preview :src="scope.row.imageUrl" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="商品价格" align="center" prop="price" />
      <el-table-column label="库存数量" align="center" prop="stock" />
       <el-table-column label="商品分类" align="center" prop="categoryId">
        <template #default="scope">
          {{ getCategoryName(scope.row.categoryId) }}
        </template>
      </el-table-column>
      <el-table-column label="商品状态" align="center" prop="status">
        <template #default="scope">
          <dict-tag :options="product_status" :value="scope.row.status" />
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)" v-hasPermi="['manage:product:edit']">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)" v-hasPermi="['manage:product:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改商品管理对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="productRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="商品名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入商品名称" />
        </el-form-item>
        <el-form-item label="商品图片" prop="imageUrl">
          <image-upload v-model="form.imageUrl"/>
        </el-form-item>
        <el-form-item label="商品价格" prop="price">
          <el-input v-model="form.price" placeholder="请输入商品价格" />
        </el-form-item>
        <el-form-item label="库存数量" prop="stock">
          <el-input v-model="form.stock" placeholder="请输入库存数量" />
        </el-form-item>
        <el-form-item label="商品分类" prop="categoryId">
  <el-select v-model="form.categoryId" placeholder="请选择商品分类">
    <el-option
      v-for="item in categoryList"
      :key="item.categoryId"
      :label="item.name"
      :value="item.categoryId"
    ></el-option>
  </el-select>
</el-form-item>
        <el-form-item label="商品状态" prop="status">
      <el-select v-model="form.status" placeholder="请选择商品状态" clearable>
        <el-option
          v-for="dict in product_status"
          :key="dict.value"
          :label="dict.label"
          :value="parseInt(dict.value)"
        ></el-option>
      </el-select>
    </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Product">
import { listProduct, getProduct, delProduct, addProduct, updateProduct } from "@/api/manage/product"
import { listCategory } from "@/api/manage/category" // 添加这行

const { proxy } = getCurrentInstance()
const { product_status } = proxy.useDict('product_status')
const productList = ref([])
const open = ref(false)
const loading = ref(true)
const showSearch = ref(true)
const ids = ref([])
const single = ref(true)
const multiple = ref(true)
const total = ref(0)
const title = ref("")
const categoryList = ref([])

// 获取商品分类列表
function getCategoryList() {
  listCategory({}).then(response => {
    categoryList.value = response.rows
  })
}
// 在组件初始化时获取分类数据

// 根据分类ID获取分类名称
function getCategoryName(categoryId) {
  const category = categoryList.value.find(item => item.categoryId === categoryId);
  return category ? category.name : '';
}
onMounted(() => {
  getCategoryList()
  getList()
})
const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    productId: null,
    name: null,
    categoryId: null,
    price: null,
    stock: null,
    status: null,
  },
  rules: {
    name: [
      { required: true, message: "商品名称不能为空", trigger: "blur" }
    ],
    categoryId: [
      { required: true, message: "商品分类不能为空", trigger: "change" }
    ],
    status: [
      { required: true, message: "商品状态不能为空", trigger: "change" }
    ],
    price: [
      { required: true, message: "商品价格不能为空", trigger: "blur" }
    ],
    stock: [
      { required: true, message: "库存数量不能为空", trigger: "blur" }
    ],
  }
})

const { queryParams, form, rules } = toRefs(data)

/** 查询商品管理列表 */
function getList() {
  loading.value = true
  listProduct(queryParams.value).then(response => {
    productList.value = response.rows
    total.value = response.total
    loading.value = false
  })
}

// 取消按钮
function cancel() {
  open.value = false
  reset()
}

// 表单重置
function reset() {
  form.value = {
    productId: null,
    name: null,
    imageUrl: null,
    categoryId: null,
    price: null,
    stock: null,
    status: null,
    createTime: null,
    updateTime: null
  }
  proxy.resetForm("productRef")
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1
  getList()
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.$refs.queryRef.resetFields()
  handleQuery()
}
// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.productId)
  single.value = selection.length != 1
  multiple.value = !selection.length
}

/** 新增按钮操作 */
function handleAdd() {
  reset()
  open.value = true
  title.value = "添加商品管理"
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset()
  const _productId = row.productId || ids.value
  getProduct(_productId).then(response => {
    form.value = response.data
    open.value = true
    title.value = "修改商品管理"
  })
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["productRef"].validate(valid => {
    if (valid) {
      if (form.value.productId != null) {
        updateProduct(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功")
          open.value = false
          getList()
        })
      } else {
        addProduct(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功")
          open.value = false
          getList()
        })
      }
    }
  })
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _productIds = row.productId || ids.value
  proxy.$modal.confirm('是否确认删除商品管理编号为"' + _productIds + '"的数据项？').then(function() {
    return delProduct(_productIds)
  }).then(() => {
    getList()
    proxy.$modal.msgSuccess("删除成功")
  }).catch(() => {})
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('manage/product/export', {
    ...queryParams.value
  }, `product_${new Date().getTime()}.xlsx`)
}
</script>
